java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0885b_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:13:22,525 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:13:22,527 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:13:22,541 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:13:22,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:13:22,543 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:13:22,544 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:13:22,546 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:13:22,547 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:13:22,548 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:13:22,549 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:13:22,550 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:13:22,550 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:13:22,551 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:13:22,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:13:22,553 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:13:22,554 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:13:22,556 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:13:22,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:13:22,560 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:13:22,564 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:13:22,568 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:13:22,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:13:22,570 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:13:22,570 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:13:22,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:13:22,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:13:22,576 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:13:22,577 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:13:22,578 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:13:22,578 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:13:22,581 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:13:22,581 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:13:22,582 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:13:22,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:13:22,583 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:13:22,585 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-19 16:13:22,615 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:13:22,616 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:13:22,617 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:13:22,617 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:13:22,618 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:13:22,618 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:13:22,618 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:13:22,619 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:13:22,619 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:13:22,619 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:13:22,619 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:13:22,623 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:13:22,623 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:13:22,623 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:13:22,623 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:13:22,623 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:13:22,623 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:13:22,624 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:13:22,624 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:13:22,624 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:13:22,624 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:13:22,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:13:22,626 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:13:22,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:13:22,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:13:22,627 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:13:22,627 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:13:22,627 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:13:22,627 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:13:22,627 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:13:22,628 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:13:22,628 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:13:22,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:13:22,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:13:22,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:13:22,703 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:13:22,704 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:13:22,705 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0885b_true-unreach-call.c [2018-09-19 16:13:23,082 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79bde8e0/4c52f972ad794dfaa7483b2c8fc70f88/FLAG1c0782159 [2018-09-19 16:13:23,340 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:13:23,341 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0885b_true-unreach-call.c [2018-09-19 16:13:23,359 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79bde8e0/4c52f972ad794dfaa7483b2c8fc70f88/FLAG1c0782159 [2018-09-19 16:13:23,379 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79bde8e0/4c52f972ad794dfaa7483b2c8fc70f88 [2018-09-19 16:13:23,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:13:23,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:13:23,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:13:23,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:13:23,410 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:13:23,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:13:23" (1/1) ... [2018-09-19 16:13:23,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d00d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:23, skipping insertion in model container [2018-09-19 16:13:23,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:13:23" (1/1) ... [2018-09-19 16:13:23,425 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:13:24,011 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:13:24,048 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:13:24,229 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:13:24,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:24 WrapperNode [2018-09-19 16:13:24,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:13:24,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:13:24,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:13:24,303 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:13:24,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:24" (1/1) ... [2018-09-19 16:13:24,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:24" (1/1) ... [2018-09-19 16:13:24,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:24" (1/1) ... [2018-09-19 16:13:24,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:24" (1/1) ... [2018-09-19 16:13:24,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:24" (1/1) ... [2018-09-19 16:13:24,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:24" (1/1) ... [2018-09-19 16:13:24,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:24" (1/1) ... [2018-09-19 16:13:24,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:13:24,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:13:24,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:13:24,589 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:13:24,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:13:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:13:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:13:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-09-19 16:13:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-09-19 16:13:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-19 16:13:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-19 16:13:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-09-19 16:13:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-19 16:13:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-09-19 16:13:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2018-09-19 16:13:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isinteger_double [2018-09-19 16:13:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-09-19 16:13:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:13:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:13:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-19 16:13:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-09-19 16:13:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:13:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-19 16:13:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:13:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:13:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:13:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-19 16:13:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-09-19 16:13:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-19 16:13:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-19 16:13:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-09-19 16:13:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-19 16:13:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-09-19 16:13:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2018-09-19 16:13:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure isinteger_double [2018-09-19 16:13:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-09-19 16:13:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:13:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:13:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:13:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:13:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-19 16:13:25,176 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:25,689 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:25,706 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:26,195 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:26,206 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:27,311 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:28,692 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:28,834 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:28,846 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:28,879 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:28,895 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:28,913 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:29,014 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:29,037 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:29,045 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:30,226 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:30,266 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:30,406 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:32,975 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:33,019 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:35,820 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:38,070 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:40,394 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:41,557 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:43,861 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:43,910 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:43,961 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:44,083 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:44,126 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:45,386 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:52,229 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:52,238 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:52,254 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:52,264 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:52,688 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:55,703 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:55,713 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:13:55,755 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:11,381 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:11,765 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:11,774 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:12,173 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:12,222 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:12,301 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:17,322 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:17,365 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:17,394 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:18,403 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:18,421 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:18,435 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:21,252 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:21,265 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:21,283 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:21,316 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:21,325 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:21,955 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:14:24,607 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:14:24,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:14:24 BoogieIcfgContainer [2018-09-19 16:14:24,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:14:24,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:14:24,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:14:24,613 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:14:24,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:13:23" (1/3) ... [2018-09-19 16:14:24,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c6ebf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:14:24, skipping insertion in model container [2018-09-19 16:14:24,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:13:24" (2/3) ... [2018-09-19 16:14:24,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c6ebf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:14:24, skipping insertion in model container [2018-09-19 16:14:24,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:14:24" (3/3) ... [2018-09-19 16:14:24,617 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0885b_true-unreach-call.c [2018-09-19 16:14:24,627 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:14:24,637 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:14:24,690 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:14:24,690 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:14:24,691 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:14:24,691 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:14:24,691 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:14:24,691 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:14:24,691 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:14:24,691 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:14:24,692 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:14:24,743 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states. [2018-09-19 16:14:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-19 16:14:24,753 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:14:24,754 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:14:24,756 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:14:24,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1231243879, now seen corresponding path program 1 times [2018-09-19 16:14:24,765 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:14:24,765 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 16:14:24,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:14:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:14:24,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:14:25,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 16:14:25,017 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:14:25,037 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:14:25,037 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:14:25,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:14:25,058 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:14:25,059 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:14:25,062 INFO L87 Difference]: Start difference. First operand 672 states. Second operand 2 states. [2018-09-19 16:14:25,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:14:25,169 INFO L93 Difference]: Finished difference Result 1335 states and 1754 transitions. [2018-09-19 16:14:25,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:14:25,171 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-19 16:14:25,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:14:25,192 INFO L225 Difference]: With dead ends: 1335 [2018-09-19 16:14:25,192 INFO L226 Difference]: Without dead ends: 667 [2018-09-19 16:14:25,203 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:14:25,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2018-09-19 16:14:25,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 667. [2018-09-19 16:14:25,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2018-09-19 16:14:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 792 transitions. [2018-09-19 16:14:25,296 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 792 transitions. Word has length 22 [2018-09-19 16:14:25,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:14:25,297 INFO L480 AbstractCegarLoop]: Abstraction has 667 states and 792 transitions. [2018-09-19 16:14:25,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:14:25,297 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 792 transitions. [2018-09-19 16:14:25,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-19 16:14:25,301 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:14:25,301 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:14:25,301 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:14:25,302 INFO L82 PathProgramCache]: Analyzing trace with hash 2045314595, now seen corresponding path program 1 times [2018-09-19 16:14:25,303 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:14:25,303 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-19 16:14:25,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:14:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:14:25,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:14:25,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 16:14:25,583 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:14:25,599 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:14:25,600 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-19 16:14:25,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-19 16:14:25,602 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-19 16:14:25,602 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-19 16:14:25,603 INFO L87 Difference]: Start difference. First operand 667 states and 792 transitions. Second operand 4 states. [2018-09-19 16:14:25,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:14:25,759 INFO L93 Difference]: Finished difference Result 1229 states and 1451 transitions. [2018-09-19 16:14:25,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-19 16:14:25,760 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2018-09-19 16:14:25,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:14:25,765 INFO L225 Difference]: With dead ends: 1229 [2018-09-19 16:14:25,765 INFO L226 Difference]: Without dead ends: 667 [2018-09-19 16:14:25,770 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-19 16:14:25,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2018-09-19 16:14:25,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 667. [2018-09-19 16:14:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2018-09-19 16:14:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 790 transitions. [2018-09-19 16:14:25,818 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 790 transitions. Word has length 48 [2018-09-19 16:14:25,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:14:25,819 INFO L480 AbstractCegarLoop]: Abstraction has 667 states and 790 transitions. [2018-09-19 16:14:25,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-19 16:14:25,819 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 790 transitions. [2018-09-19 16:14:25,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-19 16:14:25,824 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:14:25,824 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:14:25,825 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:14:25,825 INFO L82 PathProgramCache]: Analyzing trace with hash -78193032, now seen corresponding path program 1 times [2018-09-19 16:14:25,826 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:14:25,826 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-19 16:14:25,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:14:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:14:27,315 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:14:27,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-19 16:14:27,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-19 16:14:27,540 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:14:27,766 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:14:28,008 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:14:28,008 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:26 [2018-09-19 16:14:28,219 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-09-19 16:14:28,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-19 16:14:28,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-19 16:14:28,368 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:14:28,618 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:14:28,905 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:14:28,906 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:20 [2018-09-19 16:14:29,548 WARN L178 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-19 16:14:29,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-19 16:14:29,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-19 16:14:29,854 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:14:30,314 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:14:30,520 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-19 16:14:30,521 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:39 [2018-09-19 16:14:30,799 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-19 16:14:30,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-19 16:14:30,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-19 16:14:30,936 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:14:32,965 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:14:33,204 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-19 16:14:33,205 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:48, output treesize:33 [2018-09-19 16:14:36,143 WARN L797 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_fmod_double_#res| (let ((.cse2 (fp.mul RNE |c_fmod_double_#in~x| |c_fmod_double_#in~y|))) (fp.div RNE .cse2 .cse2))))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_57| (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_57|) ((_ extract 62 52) |v_q#valueAsBitvector_57|) ((_ extract 51 0) |v_q#valueAsBitvector_57|)))) (exists ((fmod_double_~ly~1 (_ BitVec 32)) (|v_q#valueAsBitvector_58| (_ BitVec 64))) (and (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) |v_q#valueAsBitvector_58|) ((_ extract 62 52) |v_q#valueAsBitvector_58|) ((_ extract 51 0) |v_q#valueAsBitvector_58|))) (bvugt (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_58|) (_ bv2147483647 32)) (bvlshr (bvor fmod_double_~ly~1 (bvneg fmod_double_~ly~1)) (_ bv31 32))) (_ bv2146435072 32))))) (and (exists ((v_prenex_6 (_ BitVec 64))) (and (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6))) (bvsge (let ((.cse1 ((_ extract 63 32) v_prenex_6))) (bvxor .cse1 (bvand .cse1 (_ bv2147483648 32)))) (_ bv2146435072 32)))) .cse0 (exists ((v_prenex_5 (_ BitVec 64))) (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |c_fmod_double_#in~y|))) (and (exists ((v_prenex_2 (_ BitVec 64)) (v_prenex_1 (_ BitVec 32))) (and (= (bvor (bvand ((_ extract 63 32) v_prenex_2) (_ bv2147483647 32)) v_prenex_1) (_ bv0 32)) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_2) ((_ extract 62 52) v_prenex_2) ((_ extract 51 0) v_prenex_2))))) .cse0 (exists ((v_prenex_4 (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_4) ((_ extract 62 52) v_prenex_4) ((_ extract 51 0) v_prenex_4))))))) is different from false [2018-09-19 16:14:38,699 WARN L819 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_fmod_double_#res| (let ((.cse2 (fp.mul RNE |c_fmod_double_#in~x| |c_fmod_double_#in~y|))) (fp.div RNE .cse2 .cse2))))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_57| (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_57|) ((_ extract 62 52) |v_q#valueAsBitvector_57|) ((_ extract 51 0) |v_q#valueAsBitvector_57|)))) (exists ((fmod_double_~ly~1 (_ BitVec 32)) (|v_q#valueAsBitvector_58| (_ BitVec 64))) (and (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) |v_q#valueAsBitvector_58|) ((_ extract 62 52) |v_q#valueAsBitvector_58|) ((_ extract 51 0) |v_q#valueAsBitvector_58|))) (bvugt (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_58|) (_ bv2147483647 32)) (bvlshr (bvor fmod_double_~ly~1 (bvneg fmod_double_~ly~1)) (_ bv31 32))) (_ bv2146435072 32))))) (and (exists ((v_prenex_6 (_ BitVec 64))) (and (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6))) (bvsge (let ((.cse1 ((_ extract 63 32) v_prenex_6))) (bvxor .cse1 (bvand .cse1 (_ bv2147483648 32)))) (_ bv2146435072 32)))) .cse0 (exists ((v_prenex_5 (_ BitVec 64))) (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |c_fmod_double_#in~y|))) (and (exists ((v_prenex_2 (_ BitVec 64)) (v_prenex_1 (_ BitVec 32))) (and (= (bvor (bvand ((_ extract 63 32) v_prenex_2) (_ bv2147483647 32)) v_prenex_1) (_ bv0 32)) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_2) ((_ extract 62 52) v_prenex_2) ((_ extract 51 0) v_prenex_2))))) .cse0 (exists ((v_prenex_4 (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_4) ((_ extract 62 52) v_prenex_4) ((_ extract 51 0) v_prenex_4))))))) is different from true [2018-09-19 16:15:35,606 WARN L178 SmtUtils]: Spent 3.33 s on a formula simplification that was a NOOP. DAG size: 22 [2018-09-19 16:15:47,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 16:15:47,944 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:15:47,982 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:15:47,982 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-19 16:15:47,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-19 16:15:47,983 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-19 16:15:47,984 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=156, Unknown=19, NotChecked=26, Total=240 [2018-09-19 16:15:47,984 INFO L87 Difference]: Start difference. First operand 667 states and 790 transitions. Second operand 16 states. [2018-09-19 16:15:56,592 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-09-19 16:15:56,593 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:138) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:130) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:254) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:690) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:603) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream Closed at java.io.FileOutputStream.writeBytes(Native Method) at java.io.FileOutputStream.write(FileOutputStream.java:326) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2018-09-19 16:15:56,602 INFO L168 Benchmark]: Toolchain (without parser) took 153209.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -400.3 MB). Peak memory consumption was 339.5 MB. Max. memory is 7.1 GB. [2018-09-19 16:15:56,603 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 16:15:56,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 902.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-19 16:15:56,605 INFO L168 Benchmark]: Boogie Preprocessor took 282.30 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -845.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2018-09-19 16:15:56,608 INFO L168 Benchmark]: RCFGBuilder took 60023.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 164.2 MB). Peak memory consumption was 164.2 MB. Max. memory is 7.1 GB. [2018-09-19 16:15:56,609 INFO L168 Benchmark]: TraceAbstraction took 91991.81 ms. Allocated memory is still 2.3 GB. Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 238.7 MB). Peak memory consumption was 238.7 MB. Max. memory is 7.1 GB. [2018-09-19 16:15:56,618 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 902.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 282.30 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -845.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 60023.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 164.2 MB). Peak memory consumption was 164.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 91991.81 ms. Allocated memory is still 2.3 GB. Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 238.7 MB). Peak memory consumption was 238.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...